The Comparative Analysis :

Mercedes S 320 CDI 4MATIC 7G-TRONIC (06 - 09) vs. Mercedes S 420 CDI long 7G-TRONIC (06 - 09)

€ 76,200
Mercedes S 320 CDI 4MATIC 7G-TRONIC (06 - 09) S 320 CDI
€ 98,900
 Mercedes S 420 CDI long 7G-TRONIC (06 - 09) S 420 CDI long
€ 76,200
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 98,900

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of these vehicles differ slightly. Both cars are the same width and height, but the S 320 CDI is 13 cm shorter.
S 320 CDI
S 420 CDI long
1473
Blueprint Mercedes S 320 CDI 4MATIC 7G-TRONIC (06 - 09)
1871
2120
1473
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
1871
2120
1871 mm
Width
1871 mm
2120 mm
Width Incl. Mirrors
2120 mm
1473 mm
Height
1473 mm
Blueprint Mercedes S 320 CDI 4MATIC 7G-TRONIC (06 - 09)
3035
5080
Blueprint Mercedes S 420 CDI long 7G-TRONIC (06 - 09)
3165
5210
5080 mm
Length
5210 mm
3035 mm
Wheelbase
3165 mm

Vehicle Weight

S 320 CDI
S 420 CDI long
2025 kg
Kerb Weight
2140 kg
2625 kg
Gross Vehicle
Weight
2660 kg
Mercedes S 320 CDI 4MATIC 7G-TRONIC (06 - 09)
Weight Difference:
115 kg
5.37 %
Mercedes S 420 CDI long 7G-TRONIC (06 - 09)

General

S 320 CDI
S 420 CDI long
W221
Generation
W221
Saloon
Car Body Style
Saloon
Diesel
Fuel Type
Diesel
Permanent all-wheel drive
Drive
Rear-wheel drive
7-speed automatic transmission
Transmission
7-speed automatic transmission

Engine

S 320 CDI
S 420 CDI long
V6 diesel engine with tur­bo­charger
Engine Type
V8 diesel engine with tur­bo­charger
Mercedes-Benz OM 642
Engine Series
Mercedes-Benz OM 629
OM 642.932
Engine Code
OM 629.911
4
Valves
4
6
Cylinders
8
2987 CC
Engine Capacity
3996 CC
232 bhp
at 3800 rpm
Power
316 bhp
at 3600 rpm
S 320 CDI
232 bhp
316 bhp
S 420 CDI long
540 NM
at 1600 rpm
Max. Torque
730 NM
at 2200 rpm
S 320 CDI
540 NM
730 NM
S 420 CDI long

Performance

S 320 CDI
S 420 CDI long
152 mph
Maximum Speed
155 mph
7.8 sec
Acceleration 0 to 62 mph
6 sec
62 mph 62
mph

108 m
0.000 sec

S 320 CDI

62 mph 62
mph

83 m
0.000 sec

S 420 CDI long

▶ REPLAY
8.73 kg/bhp
Weight-to-Power Ratio
6.77 kg/bhp
S 320 CDI
8.73 kg/bhp
6.77 kg/bhp
S 420 CDI long

Fuel Economy / Emissions

S 320 CDI
S 420 CDI long
Fuel Economy
34 mpg
combined
30 mpg
S 320 CDI
34 mpg
30 mpg
S 420 CDI long
25 mpg
city
22 mpg
44 mpg
motorway
39 mpg
Kraftstoffanzeige
90 L
Fuel Tank Capacity
90 L
Kraftstoffanzeige
674 mi
Range
595 mi
S 320 CDI
674 mi
595 mi
S 420 CDI long
Environmental Impact
170.8 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
193.4 kWh
S 320 CDI
170.8 kWh
193.4 kWh
S 420 CDI long
Euro 4 III
Emission Standard
Euro 4 III
218 g/km (NEFZ)
CO2 Emissions
247 g/km (NEFZ)

Practical Convenience

S 320 CDI
S 420 CDI long
4
Doors
4
5
No. of Seats
5
600 kg
Maximum Payload
520 kg
560 L
Boot Capacity
560 L
No data
Boot Capacity (Seats Down)
No data